No syntax highlighting for Java

[huyhoang8398]

Does this bug happen when you install plugin without vim-polyglot?

Describe the bug:

Error detected while processing /home/huyhoang8398/.vim/plugged/vim-polyglot/syntax/java.vim:
line 159:
E108: No such variable: "b:current_syntax"

NVIM v0.4.4

To Reproduce:

[sheerun]

Thanks, it seems the tests are broken